399029480 has 16 divisors (see below), whose sum is σ = 897816420. Its totient is φ = 159611776.

The previous prime is 399029479. The next prime is 399029503. The reversal of 399029480 is 84920993.

It can be written as a sum of positive squares in 2 ways, for example, as 375661924 + 23367556 = 19382^2 + 4834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4987829 + ... + 4987908.

Almost surely, 2^399029480 is an apocalyptic number.

It is an amenable number.

399029480 is an abundant number, since it is smaller than the sum of its proper divisors (498786940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399029480 is a wasteful number, since it uses less digits than its factorization.

399029480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975748 (or 9975744 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 399029480 is about 19975.7222647893. The cubic root of 399029480 is about 736.2099127548.

The spelling of 399029480 in words is "three hundred ninety-nine million, twenty-nine thousand, four hundred eighty".